Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105286 | Silver halide photographic material | — | 2006-09-12 |
| 6174660 | Silver halide photographic light-sensitive material | Katsumasa Yamazaki | 2001-01-16 |
| 5914224 | Silver halide photographic light-sensitive material | Katsumasa Yamazaki | 1999-06-22 |
| 5571661 | Silver halide light-sensitive color photographic material | Osamu Ishige, Naoki Sato, Yutaka Kaneko | 1996-11-05 |